13833490721

Names of 13833490721

• Cardinal: 13833490721 can be written as Thirteen billion, eight hundred thirty-three million, four hundred ninety thousand, seven hundred twenty-one.

Scientific notation

• Scientific notation: 1.3833490721 × 10¹⁰

Factors of 13833490721

• Number of distinct prime factors ω(n): 2
• Total number of prime factors Ω(n): 2
• Sum of prime factors: 728078478

Divisors of 13833490721

• Number of divisors d(n): 4
• Complete list of divisors:
  1 19 728078459 13833490721
• Sum of all divisors σ(n): 14561569200
• Sum of proper divisors (its aliquot sum) s(n): 728078479
• 13833490721 is a deficient number, because the sum of its proper divisors (728078479) is less than itself. Its deficiency is 13105412242

Bases of 13833490721

• Binary: 1100111000100010100101000100100001₂
• Hexadecimal: 0x3388A5121
• Base-36: 6CS3PR5

Squares and roots of 13833490721

• 13833490721 squared (13833490721²) is 191365465527993099841
• 13833490721 cubed (13833490721³) is 2647252391701337912402500075361
• The square root of 13833490721 is 117615.8608394293
• The cube root of 13833490721 is 2400.5491058975

Scales and comparisons

• 13,833,490,721 seconds is equal to 439 years, 44 weeks, 5 days, 20 hours, 18 minutes, 41 seconds.
• To count from 1 to 13,833,490,721 would take you about eight hundred seventy-nine years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 13833490721 cubic inches would be around 200 feet tall.

Recreational maths with 13833490721

• 13833490721 backwards is 12709433831
• The number of decimal digits it has is: 11
• The sum of 13833490721's digits is 41
• More coming soon!